<template>
  <div class="app-container">
    <div class="filter-container">
      <!-- <el-input v-model="listQuery.title" placeholder="Title" style="width: 200px;" class="filter-item" @keyup.enter.native="handleFilter" /> -->
      <!-- <el-select v-model="listQuery.importance" placeholder="Imp" clearable style="width: 90px" class="filter-item">
        <el-option v-for="item in importanceOptions" :key="item" :label="item" :value="item" />
      </el-select> -->
      <!-- <el-select v-model="listQuery.type" placeholder="Type" clearable class="filter-item" style="width: 130px">
        <el-option v-for="item in calendarTypeOptions" :key="item.key" :label="item.display_name+'('+item.key+')'" :value="item.key" />
      </el-select> -->
      <!-- <el-select v-model="listQuery.sort" style="width: 140px" class="filter-item" @change="handleFilter">
        <el-option v-for="item in sortOptions" :key="item.key" :label="item.label" :value="item.key" />
      </el-select> -->
      <!-- <el-button v-waves class="filter-item" type="primary" icon="el-icon-search" @click="handleFilter">
        Search
      </el-button> -->
      <!-- <el-button class="filter-item" style="margin-left: 10px;" type="primary" icon="el-icon-edit" @click="handleCreate">
        Add
      </el-button> -->
      <!-- <el-button v-waves :loading="downloadLoading" class="filter-item" type="primary" icon="el-icon-download" @click="handleDownload">
        Export
      </el-button> -->
      <!-- <el-checkbox v-model="showReviewer" class="filter-item" style="margin-left:15px;" @change="tableKey=tableKey+1">
        reviewer
      </el-checkbox> -->
    </div>

    <el-table
      :key="tableKey"
      v-loading="listLoading"
      :data="list"
      border
      fit
      highlight-current-row
      style="width: 100%;"
      @sort-change="sortChange"
    >
      <el-table-column label="ID" prop="id" sortable="custom" align="center" width="50" :class-name="getSortClass('id')">
        <template slot-scope="row">{{ row.$index + 1 }}</template>
      </el-table-column>
      <el-table-column label="维护开始时间" width="160px" align="center">
        <template slot-scope="{row}">{{ row.beginTime | formatDate }}</template>
      </el-table-column>
      <el-table-column label="维护结束时间" width="160px" align="center">
        <template slot-scope="{row}">{{ row.endTime | formatDate }}</template>
      </el-table-column>
      <el-table-column label="游戏服务器地址" width="130px" align="center">
        <template slot-scope="{row}">{{ row.ip }}</template>
      </el-table-column>
      <el-table-column label="游戏服务器端口" width="110px" align="center">
        <template slot-scope="{row}">{{ row.port }}</template>
      </el-table-column>
      <el-table-column label="游戏服务器通知端口" width="110px" align="center">
        <template slot-scope="{row}">{{ row.noticePort }}</template>
      </el-table-column>
      <el-table-column label="维护服务器" align="center">
        <template slot-scope="{row}">{{ row.channel }}</template>
      </el-table-column>
      <el-table-column label="Actions" align="center" width="200" class-name="small-padding fixed-width">
        <template slot-scope="{row,$index}">
          <el-button type="primary" size="mini" @click="handleUpdate(row)">
            Edit
          </el-button>
          <el-button v-if="row.status!='deleted'" size="mini" type="danger" @click="handleDelete(row,$index)">
            Delete
          </el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="listQuery.page" :limit.sync="listQuery.limit" @pagination="getList" />

    <el-dialog :title="textMap[dialogStatus]" :visible.sync="dialogFormVisible">
      <el-form ref="dataForm" :rules="rules" :model="temp" label-position="right" label-width="150px" style="width: 450px; margin-left:50px;">
        <el-form-item label="游戏服务器地址" prop="ip">
          <el-input v-model="temp.ip" />
        </el-form-item>
        <el-form-item label="游戏服务器端口" prop="port">
          <el-input v-model="temp.port" />
        </el-form-item>
        <el-form-item label="游戏服务器通知端口" prop="noticePort">
          <el-input v-model="temp.noticePort" />
        </el-form-item>
        <el-form-item label="维护服务器" prop="channel">
          <el-drag-select v-model="temp.channel" style="width:400px;" multiple placeholder="请选择">
            <el-option v-for="item in options" :key="item.value" :label="item.label" :value="item.value" />
          </el-drag-select>
        </el-form-item>
        <el-form-item label="维护服务器" prop="channel">
          <el-tag v-for="item of temp.channel" :key="item" style="margin-right:15px;">
            {{ item }}
          </el-tag>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">
          Cancel
        </el-button>
        <el-button type="primary" @click="dialogStatus==='create'?createData():updateData()">
          Confirm
        </el-button>
      </div>
    </el-dialog>

    <el-dialog :visible.sync="dialogPvVisible" title="Reading statistics">
      <el-table :data="pvData" border fit highlight-current-row style="width: 100%">
        <el-table-column prop="key" label="Channel" />
        <el-table-column prop="pv" label="Pv" />
      </el-table>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="dialogPvVisible = false">Confirm</el-button>
      </span>
    </el-dialog>
  </div>
</template>

<script>
import { getMaintenance, fetchPv, addMaintenance, updateMaintenance, deleteMaintenance } from '@/api/system'
import waves from '@/directive/waves' // waves directive
import { parseTime } from '@/utils'
import Pagination from '@/components/Pagination' // secondary package based on el-pagination
import { formatDate } from '@/utils/date'
import ElDragSelect from '@/components/DragSelect' // base on element-ui

const calendarTypeOptions = [
  { key: 'CN', display_name: 'China' },
  { key: 'US', display_name: 'USA' },
  { key: 'JP', display_name: 'Japan' },
  { key: 'EU', display_name: 'Eurozone' }
]

// arr to obj, such as { CN : "China", US : "USA" }
const calendarTypeKeyValue = calendarTypeOptions.reduce((acc, cur) => {
  acc[cur.key] = cur.display_name
  return acc
}, {})

export default {
  name: 'ComplexTable',
  components: { Pagination, ElDragSelect },
  directives: { waves },
  filters: {
    statusFilter(status) {
      const statusMap = {
        published: 'success',
        draft: 'info',
        deleted: 'danger'
      }
      return statusMap[status]
    },
    typeFilter(type) {
      return calendarTypeKeyValue[type]
    },
    formatDate(time) {
      var date = new Date(time * 1000)
      return formatDate(date, 'yyyy-MM-dd hh:mm:ss')
    }
  },
  data() {
    return {
      tableKey: 0,
      list: null,
      total: 0,
      listLoading: true,
      listQuery: {
        page: 1,
        limit: 20,
        importance: undefined,
        title: undefined,
        type: undefined,
        sort: '+id'
      },
      importanceOptions: [1, 2, 3],
      calendarTypeOptions,
      sortOptions: [{ label: 'ID Ascending', key: '+id' }, { label: 'ID Descending', key: '-id' }],
      statusOptions: ['published', 'draft', 'deleted'],
      showReviewer: false,
      temp: {},
      dialogFormVisible: false,
      dialogStatus: '',
      textMap: {
        update: 'Edit',
        create: 'Create'
      },
      dialogPvVisible: false,
      pvData: [],
      rules: {
        type: [{ required: true, message: 'type is required', trigger: 'change' }],
        timestamp: [{ type: 'date', required: true, message: 'timestamp is required', trigger: 'change' }],
        title: [{ required: true, message: 'title is required', trigger: 'blur' }]
      },
      downloadLoading: false,
      options: [{
        value: 'huawei',
        label: 'huawei'
      }, {
        value: 'google',
        label: 'google'
      }, {
        value: 'apple',
        label: 'apple'
      }, {
        value: 'test',
        label: 'test'
      }]
    }
  },
  created() {
    this.getList()
  },
  methods: {
    getList() {
      this.listLoading = true
      getMaintenance(this.listQuery).then(response => {
        this.list = []
        this.list.push(response.data)
        this.total = 1
        this.listLoading = false

        // Just to simulate the time of the request
        // setTimeout(() => {
        //   this.listLoading = false
        // }, 1000)
      })
    },
    handleFilter() {
      this.listQuery.page = 1
      this.getList()
    },
    handleModifyStatus(row, status) {
      this.$message({
        message: '操作Success',
        type: 'success'
      })
      row.status = status
    },
    sortChange(data) {
      const { prop, order } = data
      if (prop === 'id') {
        this.sortByID(order)
      }
    },
    sortByID(order) {
      if (order === 'ascending') {
        this.listQuery.sort = '+id'
      } else {
        this.listQuery.sort = '-id'
      }
      this.handleFilter()
    },
    resetTemp() {
      this.temp = {}
    },
    handleCreate() {
      this.resetTemp()
      this.dialogStatus = 'create'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    createData() {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          addMaintenance(this.temp).then(() => {
            this.getList()
            this.dialogFormVisible = false
            this.$notify({
              title: 'Success',
              message: 'Created Successfully',
              type: 'success',
              duration: 2000
            })
          })
        }
      })
    },
    handleUpdate(row) {
      this.temp = Object.assign({}, row) // copy obj
      this.dialogStatus = 'update'
      this.dialogFormVisible = true
      this.$nextTick(() => {
        this.$refs['dataForm'].clearValidate()
      })
    },
    updateData() {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          const tempData = Object.assign({}, this.temp)
          tempData.timestamp = +new Date(tempData.timestamp) // change Thu Nov 30 2017 16:41:05 GMT+0800 (CST) to 1512031311464
          updateMaintenance(tempData).then(() => {
            // const index = this.list.findIndex(v => v.id === this.temp.id)
            // this.list.splice(index, 1, this.temp)
            this.dialogFormVisible = false
            this.getList()
            this.$notify({
              title: 'Success',
              message: 'Update Successfully',
              type: 'success',
              duration: 2000
            })
          })
        }
      })
    },
    handleDelete(row, index) {
      deleteMaintenance(row).then(() => {
        this.getList()
        this.$notify({
          title: 'Success',
          message: 'Delete Successfully',
          type: 'success',
          duration: 2000
        })
        // this.list.splice(index, 1)
      })
    },
    handleFetchPv(pv) {
      fetchPv(pv).then(response => {
        this.pvData = response.data.pvData
        this.dialogPvVisible = true
      })
    },
    handleDownload() {
      this.downloadLoading = true
      import('@/vendor/Export2Excel').then(excel => {
        const tHeader = ['timestamp', 'title', 'type', 'importance', 'status']
        const filterVal = ['timestamp', 'title', 'type', 'importance', 'status']
        const data = this.formatJson(filterVal)
        excel.export_json_to_excel({
          header: tHeader,
          data,
          filename: 'table-list'
        })
        this.downloadLoading = false
      })
    },
    formatJson(filterVal) {
      return this.list.map(v => filterVal.map(j => {
        if (j === 'timestamp') {
          return parseTime(v[j])
        } else {
          return v[j]
        }
      }))
    },
    getSortClass: function(key) {
      const sort = this.listQuery.sort
      return sort === `+${key}` ? 'ascending' : 'descending'
    }
  }
}
</script>
